JP2013507533A - Combing machine with sliver guide means - Google Patents

Abstract

  The present invention relates to a combing machine (KM) comprising a plurality of combing heads (K1 to Kx) arranged side by side, wherein a combed fiber fleece (V) formed in each combing head is provided. Are integrated into one sliver (F1) through the provided means (33, 39), supplied to the pair of press rollers (K), and then discharged onto the transfer table (T). On the transfer table (T) The sliver (F1) is arranged next to each other together with the other slivers (F2 to Fx) discharged in the adjacently arranged combing heads, and is provided as a single sliver complex (FV) to the subsequent draft device (D). Relates to the supplied format. In such a type of combing machine, in order to simplify the conventional solution and to enable automatic feeding of the sliver to the transfer table, the configuration of the present invention provides each press roller pair (K) and A guide element (FE) for the sliver (F1) discharged from the press roller pair (K) is provided between the transfer table (T).

Description

  The present invention relates to a combing machine having a plurality of combing heads arranged side by side, in which combed fiber fleeces formed in individual combing heads are combined into one sliver via provided means. And is supplied to a pair of press rollers and then discharged onto a transfer table, on which the sliver is arranged alongside each other together with other slivers discharged at adjacent combing heads. It relates to the type supplied to the subsequent draft device as a composite.

  In a known combing machine according to the prior art (eg DE 102005001241A1), the fiber fleece formed in the individual combing heads is combined into one sliver at the drawer table and a hopper fixed to this drawer table, The sliver is fed to subsequent calendar roller pairs for further compression. The sliver advancing from the calender roller pair is discharged to a transfer table, where the sliver is turned 90 ° by a turning head (Umlenkknopf) and then together with other slivers for further processing. Supplied to subsequent draft device. The deflection head is usually adjustable and has an eccentric to move the joint between the individual slivers. Such a device is used in a combing machine with a maximum of eight combing heads and discharging the sliver at about 8 ktex. The disadvantage of such a device is that after a fault is eliminated at the interruption of one combing head or at the fleece interruption, the newly formed sliver is moved by hand onto the transfer table and around the turning head. This means that for the first time, the newly formed sliver can again be joined by hand to the advancing end of the sliver. Furthermore, a unique turning head is required for each sliver for accurate positioning on the transport table.

  In particular, in a combing machine with a large number of combing heads operating side by side (e.g. 24-36 combing heads) and producing a sliver with a significantly smaller sliver weight, the known devices are no longer acceptable, and This is extremely time consuming for the operator. In such a combing machine, for example, a sliver defect of one combing head can be compensated for a short time by using a subsequent draft device designed with an adjustment device that adjusts to eliminate mass fluctuations. it can.

  In this case, it is advantageous if the newly formed sliver is automatically and accurately supplied to the other slivers located on the transport table after the operation of the combing head stopped for a short time is started. However, this is not possible with conventionally known devices. In particular, when it is desired to discharge the sliver to a subsequent transfer table at a high speed, there is a limit to the conventionally known free delivery form of the sliver from the calender roller to the transfer table, so that accurate discharge is no longer necessary. Impossible.

  Therefore, the object of the present invention is to improve the known apparatus for delivering the sliver discharged from the calendar roller to the conveying table, and to automatically and accurately position the sliver to the conveying table even when the supply speed is high. It is to guarantee delivery.

  In order to solve this problem, in the configuration of the present invention, in the combing machine of the type described at the beginning, a guide element for the sliver discharged from the press roller pair is provided between each press roller pair and the conveying table. It was made to be.

  This guide element according to the invention ensures that the sliver respectively discharged from the calender roller is guided accurately until it is discharged onto the conveying table in a defined path. As a result, the sliver can be automatically and accurately supplied to the transfer table.

  In another aspect of the present invention, at least a part of the guide element is provided or formed so as to be movable. That is, on the one hand, each guide element may be provided so as to be movable as a whole in order to adjust a specified discharge location on the transport table. However, on the other hand, it is also possible to form the guide element so that only a part of the guide element can be moved and adjusted and the discharge end of a part of the guide element can be positioned accordingly. Such a movable adjustable guide element makes it possible to provide a uniform guide element in all combing heads, which can be adjusted using these guide elements, so that each discharge position on the transport table can be arbitrarily set. Can be adjusted accurately. With the correct positioning of the discharge part, it is also possible to form a sliver complex with two layers located one above the other in a correspondingly large number of slivers, which sliver complex can be further processed in a subsequent drafting device. Supplied for.

  Furthermore, this device can re-feed one sliver to the sliver complex in a suitable, position-accurate and automatic manner by means of the movable adjustable guide element according to the invention after a short failure of one combing head. it can.

  In some cases, the combing head arranged at the slightest distance from the subsequent draft device and the combing head located farthest from the draft device may be provided with fixed position guide elements.

  In another aspect of the present invention, the movable adjustable guide element is pivotably arranged in a plane extending parallel to the plane of the surface of the transfer table. That is, the discharge end portion of the guide element can turn on a plane perpendicular to the transport direction on the transport table.

  In another advantageous aspect of the invention, the guide element is at least partly tubular. If formed in this way, the sliver can be accurately guided to the transfer table in the delivery path.

  In another aspect of the invention, the guide element comprises a guide groove that is open at least partially on one side. With such a device, it is possible to avoid inadvertent air circulation of the closed guide, which may occur in some cases.

  In order to accurately position the sliver, especially at the delivery point, and to prevent undesired deviations, in another aspect of the invention, the open side of the guide groove of the guide element is at least in the region of the discharge end of the guide element. , At least partially covered by a guide. If comprised in this way, the forced guidance of the sliver in the said discharge | emission area | region will be guaranteed. The guide may for example be formed as a guide element that surrounds the sliver.

  Moreover, in order to avoid that air is blocked in the inside of a tubular guide element, in another aspect of this invention, the guide element is provided with opening. If comprised in this way, the air dammed in a guide pipe can escape, and it can continue, without preventing conveyance of a sliver.

  In particular, to automatically refill the sliver and to facilitate sliver transport within the guide tube, in another aspect of the invention, the tubular guide element is connected to an injector that serves for the supply of pressurized air. ing. That is, a pipe (injector) is opened in the guide pipe, and pressurized air is blown into the guide pipe from the pressure air source through the pipe toward the outflow opening of the guide pipe.

  In another advantageous aspect of the invention, a fixing means is provided for fixing the adjusted position of the guide element. This ensures that the adjusted position of the guide element is fixed at that position.

  In yet another aspect of the invention, the tubular guide element comprises at least one bend. If comprised in this way, the supply direction of a sliver to a sliver complex can be directed accordingly.

  In another advantageous embodiment of the invention, two bends are provided, the discharge opening of the guide element being directed to the surface of the transport table. In order to discharge the supplied sliver gently onto the transfer table without damage or to bring it into the sliver complex on the transfer table gently without damage, in another aspect of the invention, the guide element has a discharge opening. The end portion forms an acute angle with the transfer table when viewed in the transfer direction of the transfer table. By gently feeding as desired, sliver damage and compression in the discharge area is avoided.

  The transport table may be formed from a driven conveyor belt.

  In another aspect of the invention, the discharge end of the guide element is pivotable. In other words, the largest part of the guide element is firmly fixed to the machine frame, and only the end of the guide element is formed so as to be pivotable. In this case, the discharge of the sliver to the transport table can be adjusted. Can do.

  In yet another aspect of the present invention, the delivery point of the pair of press rollers of the combing head is on the transport table and in the center of the transport table in a direction perpendicular to the transport direction of the sliver on the transport table, That is, it is arranged at the center in the width direction of the transfer table. By arranging the discharge point of the calendar roller to the guide element at the center, it is possible to limit the length of the guide element. This is because the distance between the first combing head and the last combing head from each discharge point with respect to the transport table is equal. Furthermore, this makes it possible to make the structure of the combing machine compact.

  Next, embodiments of the present invention will be described with reference to the drawings.

It is a side view which shows the combing head of a combing machine provided with the guide element provided like this invention. It is the side view seen from the direction of X of FIG. It is the top view seen from the direction of Y of FIG. 1 is a plan view showing a combing machine provided with a guide element according to the present invention. It is the figure seen from the direction of Q of FIG. It is a figure which shows one Embodiment of a guide element. It is a figure which shows another embodiment of a guide element. It is sectional drawing along the AA line of FIG. It is a cross-sectional view showing a sliver complex composed of a sliver temporarily placed on a conveyance table via a guide element. It is a figure which shows another form of the sliver complex shown in FIG.

  FIG. 1 schematically shows a combing portion, for example, a combing head of a combing machine, also called a comber. In this case, in order to make the drawing easy to see, a swivel arm for the nipper unit Z, a combing cylinder 10 is shown. The brush roller for cleaning and the circuit for the suction passage are not shown. However, these are generally known and are known from many published publications. For example, as can be seen from FIG. 4, a combing machine typically has a number of combing points located side by side. FIG. 4 illustrates ten combing heads arranged side by side. In the embodiment shown in FIG. 3, as can be seen from the illustrated number of slivers F1 to F16 (Fx) placed on the table T, 16 combing heads arranged side by side are shown. Each combing head can be provided with one drive unit, which are connected to one central control unit. However, an embodiment is also possible in which a plurality of combing heads are driven together by a single central drive via corresponding drive means, as is known in general-purpose combing machines.

  In the embodiment shown in FIG. 1, one of these combing points is shown in a side view, which will be described below with reference to FIG.

  Instead of pivoting the nipper unit Z as shown in the figure, it is also possible to place a nipper unit (hereinafter simply referred to as “nipper”) in place, in this case in order to form the clamping point KS Only the upper nipper cutter 3 moves relative to the fixed nipper plate 2. However, this is not important to the present invention. In the illustrated embodiment, it is premised on a reciprocating nipper Z (see double arrow), in which case the drive for the oscillating motion is effected from the transmission G, which is schematically shown in the drive path 8. Is connected to the pivot shaft 4 of the frame R of the nipper Z. On the lower nipper plate 2, a supply roller 5 rotatably supported is arranged, and this supply roller 5 is connected to an intermittently operating drive device (not shown) and It works to progressively supply W (or sliver) to the clamp point KS of the nipper. In the illustrated embodiment, the nippers Z are located at the rear and are closed. The end of the wrap that extends beyond the clamping point KS (referred to as a fiber tuft FB) is combed by a garment of a combing segment 11 that extends over a partial area around the combing cylinder 10. The combing cylinder 10 is rotatably supported on the machine frame MS via a shaft 13 and is driven by a transmission device G via a drive path 14 which is shown schematically.

  The transmission G is driven by a main motor M which is schematically shown, and this main motor M is connected to the control unit ST via a line 44. A detaching segment 12 is attached to the combing cylinder 10 on the opposite side of the combing segment 11, and the detaching segment 12 cooperates with a detaching roller 15 (see double arrows) supported so as to be movable. Then, the combed fiber tuft FB is detached or pulled out. More on this later.

  In order to continuously clean the combing segment 11, under the combing cylinder 10, a brush roller 72 is rotatably supported via a shaft 73 at a schematically indicated bearing location 82 in the machine frame MS. The bristles of the brush roller enter the cloth of the combing segment when the combing segment 11 passes. The brush roller 72 is driven by a separate motor M <b> 1 through the drive coupling portion 75. The motor M1 is connected to the control unit ST via a line 77. The output or torque of the shaft 73 can be monitored, for example, via a corresponding sensor (not shown). When the bristles are worn, the drive output or torque provided to drive the brush roller 72 is reduced. This is monitored by the sensors (not shown), which communicate their signals via line 76 to the control unit ST. The control unit ST controls the adjusting device 80 via the line 79, and the bearing portion of the shaft 73 of the brush roller 72 is moved in the radial direction with respect to the shaft 13 of the combing cylinder 10 via the adjusting device 80. (Double arrow), this movement is continued until the sensor again informs the predetermined value of the torque of the shaft 73, i.e. a value within a predetermined tolerance. For this purpose, the bearing part of the shaft 73 is movably supported in a guide (not shown) in the machine frame MS. As a result, the cleaning action of the brush roller 72 is automatically maintained and controlled.

  A screen drum 17 is arranged adjacent to the combing cylinder 10 and can be rotated to the machine frame MS by means of bearings 19 and 20 via a shaft 18 as can be seen, for example, in FIGS. It is supported by. The screen drum 17 is driven via a drive wheel A3 (FIG. 3). The drive wheel A3 is fixed to the shaft 18 so as not to rotate, and the transmission device G is connected via a drive path AE shown schematically. And drive coupled.

  Between the screen drum 17 and the combing cylinder 10, a flap 22 that can be swiveled around a swivel shaft 23 is disposed, and this flap 22 is a combed component and detached fiber depending on the position. It has the function of guiding the assembly accordingly. In particular, this prevents the combed material (noils, naps, dirt) from reaching the area of the screen drum 17. The function of this flap is described in detail in, for example, WO2008 / 011733A1.

  Similarly, the above publication also discloses a corresponding arrangement of a screen drum, in which the screen drum is further provided with openings for controlling the air flow during the detaching and joining processes (Loetprozess). There is a separate cylinder that is rotatably supported.

  In the illustrated embodiment, however, only a simple screen drum 17 is shown, and a stationary cover element 28 is arranged in the inner chamber of the screen drum 17, and this cover element 28 is used to identify the screen drum 17. It covers the area, that is, the area where the fiber fleece V formed on the screen drum 17 is removed from the screen drum 17. The inner chamber of the screen drum 17 is connected to a negative pressure source 25 via a pipe line 26, and a negative pressure is generated inside the screen drum 17 via the negative pressure source 25.

  A pressing drum 30 is rotatably supported in parallel to the screen drum 17. The pressing drum 30 is placed around the screen drum 17 by its own weight, for example. In this case, the pressing drum 30 may be supported in a direction toward the peripheral surface of the screen drum 17 in a corresponding guide in the machine frame MS. Similarly, the support device for the pressing drum is attached to the swivel arm, and the swivel axis of the swivel arm extends parallel to the axis of the screen drum 17 and is supported by the machine frame MS. Such a configuration is also possible. The pressing drum 30 together with the screen drum 17 forms a clamping point 31 for the fiber fleece V which is guided between the screen drum 17 and the pressing drum 30. The clamp point 31 extends over the width B of the fiber fleece V guided on the outer peripheral portion U of the screen drum 17. The pressing drum 30 has, for example, a rubber coating on the outer peripheral portion thereof, and is rotated by friction via the driven screen drum 17 and the fleece V.

  When viewed in the conveying direction F, a guide element 33 is attached to be connected to the clamp location 31, and the fiber fleece V (shortly referred to as “fleece”) is gathered in the lateral direction via this guide element 33, and the fleece It is sent to hopper 39 (shortly called “hopper”). At this time, the surface-shaped fleece V is gathered into a sliver F1, and this sliver F1 is guided through the clamp gap KK of the press roller pair K following the hopper 39 for further compression. In the following description, the press roller pair is referred to as “calendar roller pair K” including calendar rollers K1 and K2.

  The guide element 33 has a lower guide surface 37, which extends over a partial area around the periphery U of the screen drum 17 and is adapted to the shape around the screen drum 17. Only a small gap exists between the periphery U of the screen drum 17 and the guide surface 37 to ensure that the guide element 33 does not come into contact with the periphery U of the screen drum 17 and rub. The guide element 33 is firmly connected to the machine frame MS via a fixing element (not shown), and is thereby maintained at a fixed position with respect to the peripheral surface U of the screen drum 17.

  In order to laterally guide the fleece V while being gathered up to the hopper 39, the guide element 33 is provided with side guides 34, 35, and these side guides 34, 35 are connected to a lower guide surface 37. It is connected and extends outward from the lower guide surface 37 with respect to the shaft 18 of the screen drum 17.

  The hopper 39 and the guide element 33 can be manufactured from a single member. In this case, the hopper 39 includes side guides 41 and 42 extending downward. The side guides 41 and 42 serve to guide the fiber fleece gathered in the hopper 39 in the lateral direction until reaching the clamp point KK of the subsequent calendar roller pair K.

  As shown in FIG. 3, one calendar roller K <b> 1 of the calendar roller pair K is fixed to the screen drum 17 in a relatively non-rotatable and coaxial manner, and the width when the fleece V is supplied to the clamp location 31. It is located outside the region extending with B.

  The second calendar roller K2 is rotatably supported by, for example, a swing arm 49 via a bearing L1, and the swing arm 49 is attached to the machine frame MS so as to be rotatable about a swing axis (not shown). ing.

  The swivel arm 49 and thus the calendar roller K2 are pressed toward the calendar roller K1 by a spring element (not shown) supported by the machine frame MS. As a result, pressure is applied to the fiber material at the clamp locations KK of the calendar rollers K1, K2, and this fiber material can be further compressed, thereby increasing the holding force.

  The calendar roller K2 is driven via a driving wheel A2 that is drivingly coupled to the driving wheel A1 via a belt ZR (for example, a toothed belt). The belt ZR is tensioned by a tension device not shown in order to compensate for the movement between the axes of the calendar rollers K1, K2. It is also possible to use a gear transmission.

  The drive wheel A2 is fixed to a shaft 29 that is firmly coupled to the calendar roller K2 so as not to rotate. As shown in the figure, the shaft 29 is supported by a bearing location L1 disposed on the swivel arm 49. The drive wheel A1 is fixed to the shaft 18 of the screen drum 17, which is simultaneously based on the fact that the calendar roller K1 is coaxially connected to the screen drum 17 and rigidly connected to the screen drum 17. It is also the drive shaft of the calendar roller K1.

  The shaft 18 of the screen drum 17 is rotatably supported on the machine frame MS via bearings 19 and 20. Further, another drive wheel A3 is fixed to the shaft 18 so as not to rotate, and this drive wheel A3 is drivingly coupled to the transmission device G via a drive element AE which is schematically shown.

  As can be seen from the plan view of FIG. 4 and the embodiment of FIGS. 5 and 6, there are provided guide elements FE that are connected to the calender roller pair K and are pivotally supported. Thus, the sliver (for example, F1) sent from each calendar roller pair K is accepted, positioned on the subsequent transport table T, and supplied. Delivery of the sliver F1 to each guide element FE is performed at the delivery location AG. The transport table T can in this case consist of a fixed-position sliding surface or, for example, a conveyor belt driven as schematically shown in FIG.

  The slivers F1 to Fx supplied to the transport table T are supplied to the subsequent draft device (Streckwerk) as one sliver complex (Faserbandverbund) so as to be positioned side by side, and the sliver complex is stretched in this draft device. And then combined into one sliver.

  The sliver assembled in the drafting device is then stored in the can through the hopper car of the subsequent sliver storage device (Bandablage).

  As can be seen from the embodiment shown in FIG. 5, the guide element FE consists of a tube 52, which has two bends B1, B2. The pipe 55 has a hopper-shaped end portion (referred to as a “hopper 53” for short) at an end portion facing the calender roller K, and the hopper 53 provides a sliver into the guide element FE. Introduction of F1 becomes easy. Under the hopper 53, the pipe 55 is supported by a bearing 60, and is supported on a horizontal plane E so as to be rotatable in parallel with the surface of the transfer table T about the rotation axis S1. By this turning, it is possible to define or adjust the temporary placement position AS in the subsequent transfer table T.

  The bearing 60 is fixed to the machine frame MS and is provided with a fixing screw 57, by which the tube 52 of the guide element FE can be fixed in an adjusted position. An exit opening 51 is provided at the end of the pipe 52 that terminates in the region of the transfer table T. The outlet opening 51 can extend at an acute angle α with respect to the surface O of the transport table T.

  In order to facilitate the transport of the sliver F1 inside the tube 52 and in particular to automatically retract the newly refilled sliver F1 into the tube 52, a tube 66 is opened under the bearing 60, this The pipe 66 is connected to a pressure air source 68 controlled by the control unit ST. By blowing pressurized air into the pipe 52 through the pipe 66 (also referred to as “injector”), negative pressure is generated in the pipe 52 in the area of the hopper 53 and the bearing 60, thereby adding a new pressure. The supplied sliver F <b> 1 is automatically drawn into the pipe 52 and conveyed toward the outlet opening 51. If necessary, a supply of pressurized air to facilitate sliver transport within the tube 52 may be maintained throughout the entire operation. This is particularly necessary when long guide elements FE are used. However, in many cases, this additional supply of pressurized air flow through the tube 66 is used only for automatic insertion and to facilitate guidance of new slivers.

  As soon as the supplementary guidance of the sliver has been successfully completed, the supply of pressurized air is interrupted again via the control unit. An opening 70 may be provided around the tube 52 as shown by the dashed line to allow air carried with the sliver during normal operation to escape.

  FIG. 6 shows another embodiment of the guide element FE, in which a first tubular part 55, which likewise has a hopper 53 at one end, is connected via a bearing 62 in the machine frame MS. It is supported so as to be able to turn around a turning axis S2 in a horizontal plane. As in the embodiment shown in FIG. 5, a screw 57 is provided to fix the adjusted position. At one end of the tube 55 connected to the bent portion B1, a groove 59 that opens upward and includes the bent portion B2 is fixed. A ring 64 is provided at the end of the groove 59 located on the subsequent transport table T side, and the ring 64 includes an outlet opening 56 located on the transport table T side. This outlet opening 56 may likewise be oriented with an acute angle β with respect to the surface O of the transport table T. As can be seen in particular from the section line AA in FIG. 7, the roundly closed ring 64 prevents the sliver from escaping upwards in the region of the discharge opening 56 and thus the transport table T in the correct position AS. Guaranteed to be discharged on top of. However, an embodiment is also possible in which the ring 64 is not closed in a round shape, but is formed, for example, as a ring with a slit. The cover with a ring with a slit in the area of the guide groove opening must, however, be sized to prevent the sliver from escaping.

  When the guide element FE is formed with a guide groove 59 opened on one side in the region of the bent portion B2, an additional guide element (not shown) may be provided in the region of the bent portion B2 of the guide element FE. It is advantageous even if it is provided. If constituted in this way, forced guidance of the sliver in the region of the bent portion can be guaranteed.

  In the region of the groove 59, the air guided together has the potential to flow upwards, so that the air has an adverse effect on the transport of the sliver inside the guide element FE. Will no longer exist. In particular, in a long and rounded tube in which the sliver must be transported, the fiber material inside the tube may be blocked by the air introduced together.

  For example, the illustrated embodiment (many other embodiments are possible) can generate an exact temporary placement location AS on the transport table T for the individual slivers F1-Fx. As can be seen from the plan view of FIG. 4, all the delivery points of the calendar roller pair K can be located on the same line L, whereby the individual combing heads are similarly formed with respect to the arrangement type of the calendar rollers. be able to. The temporary placement location AS in the transport table T is defined by adjusting individual guide elements. It is also possible to provide markings on the tubes 52, 55, which can adjust the corresponding position in relation to the bearings 60, 62 or another marking on the machine frame MS.

  FIG. 4a shows a modified embodiment as seen from the direction of the arrow Q in FIG. 4. In this modified embodiment, the delivery point AG of each calendar roller pair K (see the broken line K ′ in FIG. 4) is , Located on a line LM coinciding with the center line MT of the transfer table T. The transfer table T has a width BT, and the line LM substantially halves the width BT as shown in the figure. Thereby, the interval between the delivery point AG of each calendar roller pair K and the discharge point AS of the first sliver F1 on the transfer table T, and the discharge point AS of the last sliver F10 (Fx) on the transfer table T, Can be kept equal. Thereby, the required length of the guide element FE can be kept short, and a compact structure type can be obtained.

  FIG. 4a shows only two guide elements FE, FE ′, which are arranged so as to be pivotable about the axis S1, as an example.

  Depending on the adjustability of the guide element, various temporary placement forms of the slivers F1 to Fx on the transport table T can be adjusted, for example, as schematically shown in FIGS. 8 and 9 (corresponding to the illustration in FIG. 1). . FIG. 8 shows a conventional general-purpose form. In this case, the individual slivers F1 to Fx are arranged adjacent to each other in one plane and placed on the transport table T, and the subsequent draft is formed as a slider complex. It is transported to the device. In another embodiment shown in FIG. 9, the slivers F1 to Fx are placed on the transport table T in two planes E1 and E2. In this case, the sliver on the second plane E2 is arranged or placed so as to be shifted by a deviation a (diameter of one sliver) perpendicular to the transport direction FT. By using the guide element according to the present invention, a large number of such temporary placement forms on the transfer table T are possible.

  Therefore (unlike the embodiment shown in FIG. 4), the temporary placement locations of the combing heads arranged closely adjacent to each other so that the sliver discharged from these combing heads are not placed close to each other on the transport table. It is also possible to select. For example, as an example, the sliver of the combing head K1 and the sliver of the combing heads K5 and K12 can be placed so as to be arranged close to each other. That is, the apparatus can better mix the fiber material or sliver of the individual combing heads in some cases. Depending on the geometry and number of combing heads located side by side, a geometrically uniform guide element can be used in all combing heads. Furthermore, for example, the supply of the sliver of the combing head K1 arranged closest to the draft device D is performed via a fixed guide element, and an adjustable guide element is provided on the remaining combing head. Is possible. Still other embodiments are possible.

The mode of operation of the illustrated device will now be described in detail:
In the position shown in FIG. 1, the nipper Z is closed and occupies the rear position. The fiber tuft FB that has advanced from the clamp location KS of the nipper Z is combed by the combing segment 11 with which the combing cylinder 10 is engaged. Since the flap 22 is located in the vicinity of the periphery U of the subsequent screen drum 17, the combed component (noyle) is discharged downward into a suction passage (not shown). After the combing process, the nipper Z moves to the front position and reaches a position having a slight distance from the detaching roller 15, while the detaching roller 15 moves toward the axis 13 of the combing cylinder 10, A clamping part is formed together with the detaching segment 12.

  The detaching segment 12 is moved to a region below the detaching roller 15 during the forward movement of the nipper Z by the rotational movement of the combing cylinder 10.

  The end of the combed fiber tuft FB, which has advanced from the now open nipper Z, is captured by the clamping point between the detaching segment 12 and the detaching roller 15 located above it. The fibers trapped in are pulled out from the end of the fiber tuft FB, that is, “detached”. The fiber bundle generated during the detaching process is placed on the end portion of the fleece V already placed on the periphery U of the screen drum 17 under the influence of the negative pressure acting on the screen drum 17 (joining process). . However, before the detached fiber bundle is delivered to the screen drum 17, the flap 22 is moved toward the combing cylinder 10 about the pivot shaft 23, thereby facilitating delivery. it can. The details of this process are described in, for example, WO2008 / 011733A1. The delivery area, for example the upper area of the screen drum 17, may be provided with a corresponding weir not shown (Verschalungen), which is necessary for the delivery and splicing process. The air flow can be accurately controlled.

  The screen drum 17 is driven at a constant speed, and the fleece V located around the screen drum 17 is moved to a clamp point 31 between the screen drum 17 and the pressing drum 30. After passing through the clamp location 31, the fleece V reaches the lower guide surface 37 of the guide element 33 and collides with the side guide 34. In the side guide 34, the fleece V is delivered to the hopper 39 by the oblique arrangement form of the straight sections 36. Another side guide 35 with a straight section 39 arranged on the side facing the side guide 34 facilitates handing over the fleece edge located on the opposite side to the hopper 39. The fleece delivered to the hopper 39 is compressed together by this, and delivered to the clamp location KK of the subsequent calendar roller pair K (K1, K2) to be driven through the hopper. This delivery is facilitated by side guides 41 and 42 fixed to the hopper 39. This prevents the fiber material from escaping laterally before reaching the clamping point KK where the fiber material is further compressed.

  The sliver F1 sent out downward in the conveying direction FX from the calendar rollers K1 and K2 is supplied into the hopper 53 of the guide element FE arranged so as to be able to turn, and is positioned at a specified discharge point AS via the pipe 52. Reaching on a fixed or driven transport table T. On the transfer table T, the sliver F1 is delivered to the subsequent draft device D together with the other slivers F2 to Fx manufactured and discharged at the adjacent combing locations. A sliver storage device (not shown) may be provided to connect to the draft device D and store the sliver formed in the draft device in a can. The table T consists of a driven conveyor, for example a conveyor belt. A mode in which a larger number of combing heads are provided next to each other than in the illustrated embodiment is also possible. In addition, up to 48 combing points located side by side are possible.

  In particular, as can be seen from FIG. 5, a pressure-air connection 66 is provided for the first automatic insertion of the sliver F1 into the guide element FE after passing through the clamping point KK of the calendar roller pair K. . As soon as the sliver F1 passes the clamping point KK, the pressure air source 68 is activated via the control device ST, and the pressure air source 68 passes the pressure air through the tube 66 into the tube 52 toward the discharge opening 51. Infuse. Due to the negative pressure generated on the inlet opening of the pipe 66 in the hopper 53 and the pipe 52, the end of the sliver F1 is drawn into the pipe 52 of the guide element FE and conveyed toward the discharge opening 51. After the end of the sliver F1 is placed at the temporary placement location AS of the transfer table T, the supply of pressurized air is interrupted again. If necessary, the pressurized air supply may be maintained at reduced pressure during operation to facilitate transport of the sliver F1 within the tube 52. The supply of the sliver for the adjacent combing heads is carried out accordingly. The sliver F1 to F1 discharged first on the transport table T in this way are collected into a sliver complex (see FIGS. 3 and 4) manually or using the driven transport table T, and the subsequent draft It is fed to the pair of inlet rollers of device D or to another possible transport aid. In this case, the structure of the sliver is monitored on the transport table T, and in some cases, the discharge location AS of the guide element FE adjusted in advance is corrected. For this purpose, the screw 57 is loosened in the corresponding guide element FE, and the discharge position AS of the guide element FE onto the transport table T is corrected by the turning of each guide element about the axis S1. After the opening 51 of the pipe 52 of the selected guide element FE has been pivoted to the corrected position, this corrected position is fixed by tightening the screw 57. After performing individual corrections in the combing head, the machine can be started for operation.

  Of course, the embodiment of the guide element FE shown in FIG. 6 also comprises pressurized air supply devices 68 and 66 corresponding to the embodiment shown in FIG. 5 in order to be able to carry out automatic insertion. Can do. In particular, it is advantageous to use an automatic feed under the action of the pressure air source 68 in order to quickly re-feed the missing sliver into the sliver complex in the event of a combing head failure. In this case, it is not necessary to interrupt the operation of the combing machine. The lack of sliver can be compensated by the use of the adjusting device in the draft device D until a new sliver is replenished.

  Through the use of the guide element according to the invention, the sliver complexes supplied to the subsequent drafting device D are individually formed, the individual sliver complexes are affected and possibly the individual sliver complexes are modified. Is possible.

Claims (15)

Combing machine (KM) comprising a plurality of combing heads (K1 to Kx) arranged side by side, wherein the combed fiber fleece (V) formed in the individual combing heads is provided ( 33, 39) are combined into one sliver (F1), supplied to the pair of press rollers (K), then discharged onto the conveying table (T), and on the conveying table (T), the sliver (F1) Are arranged next to each other together with other slivers (F2 to Fx) discharged in adjacent combing heads, and supplied to the subsequent draft device (D) as one sliver complex (FV) In
A guide element (FE) for the sliver (F1) discharged from the press roller pair (K) is provided between each press roller pair (K) and the transport table (T). Combing machine.   The combing machine according to claim 1, wherein at least a part of the guide element (FE) is provided or formed so as to be movable.   Combing according to claim 2, wherein the movable adjustable guide element (FE) is pivotably arranged in a plane (E) extending parallel to the plane of the surface (O) of the transport table (T). machine.   The combing machine according to any one of claims 1 to 3, wherein the guide element (FE) is at least partially formed in a tubular shape.   Combing machine according to any one of the preceding claims, wherein the guide element (FE) comprises at least partly a guide groove (59) open on one side.   The open side of the guide groove (59) of the guide element (FE) is at least partially covered by a guide (64) at least in the region of the discharge end (51, 56) of the guide element (FE). Item 6. The combing machine according to Item 5.   5. Combing machine according to claim 4, wherein the guide element (FE) comprises an opening (70).   5. Combing machine according to claim 4, wherein the tubular guide element (FE) is connected to an injector (66) that serves for the supply of pressurized air.   Combing machine according to any one of claims 2 to 3, wherein fixing means (57) are provided for fixing the adjusted position of the guide element (FE).   Combing machine according to claim 4, wherein the tubular guide element (FE) comprises at least one bend (B1, B2).   11. The bending portion (B1, B2) is provided, and the discharge opening (51, 56) of the guide element (FE) is directed to the surface (O) of the transfer table (T). Combing machine.   The end portion of the guide element (FE) having the discharge opening (51, 56) is an acute angle (α, β) between the guide table (FE) and the transfer table (T) when viewed in the transfer direction (FT) of the transfer table (T). The combing machine according to claim 10 or 11, wherein:   Combing machine according to any one of the preceding claims, wherein the transport table (T) is formed from a driven conveyor belt.   Combing machine according to claim 1, wherein the discharge end of the guide element (FE) is pivotable.   The delivery point (AG) of the press roller pair (K) of the combing head (K1 to Kx) is on the transport table (T) and in the transport direction (FT) of the sliver (F1 to Fx) on the transport table. The combing machine according to any one of claims 1 to 3, wherein the combing machine is arranged at the center (line LM) of the transport table (T) in a direction perpendicular to the carrier table (T).

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